As if there was any doubt, Katie Ledecky is still very fast at swimming. Ledecky took to the pool for her first top-level race since the Paris Olympics on Wednesday and posted the second-fastest 1,500m freestyle in history with a time of 15 minutes, 24.51 seconds, per Nick Zaccardi of NBC Sports.

Katie Ledecky posted the best women's 1,500-meter time ever when she was 21 years old. She posted the second-best women's 1,500-meter time ever when she was 28 years old, on Wednesday. The nine-time Olympic gold medalist continued one of the most dominant runs the sport of swimming has ever seen at a specific event with a time of 15:24.